. >> john, investigators believe adam lanza, the shooter here smashed these two computers at his home. what more do we know about that. >> reporter: so he damaged the computers and the hard drives and the fbi's computary sis dance response team is going to look at those hard drives, damaged as they are, and try to determine if they can extract data from them f they can put them back together and communicate with them, they would like to mirror those hard drives and extract everything that son this computer. they are looking for two things. one they are looking for internal saved documents that might contain the planning for in massacre, lists of things and supplies you needed to get. magazines, ammunition, second, the communications, where did he order these things from, were they mail order, were they through e-mail communications and so on. but anything that's going to give them a window into it. the fact that he damaged the computers is a signal to them that there is something in there they need to see. >> john miller at our broadcast center in new york, john, thank you. with 20 st